HTJC-325 Primary Jaw Crusher for High-Strength Ore & Quarry Aggregate Processing

Designed for the first stage of ore and stone processing, the HTJC325 is a track-mounted primary crusher that accepts feed sizes up to 150mm. With a 13KW gasoline engine, 0.15m³ storage bin, and hydraulic tracks, it delivers 2-4 T/H production for bluestone, iron ore, and limestone applications.

In small-scale mining, sand yards, and concrete batching plants, the first break of material often dictates the entire efficiency of the downstream process. Relying on manual breaking or stationary, power-hungry units creates a bottleneck that is both time-consuming and expensive to operate. The HTJC325 E-type crusher directly addresses this production challenge by bringing primary crushing capability directly to the material source.

This unit is engineered for the toughest primary applications, capable of crushing various ores and rocks with a compressive strength of up to 240 MPa in a single pass. Whether you are processing bluestone, yellowstone, or iron ore, the 150 x 250mm inlet grips the feed material effectively, reducing it to a gravel range of 10 to 30mm. This consistent, medium-sized output is ideal for feeding secondary crushers, batching plants, or desulfurization mills in power plants without the need for scalping screens.

The HTJC325 redefines mobility in this weight class. Its transport dimensions allow for easy relocation between quarry faces, while the hydraulic power track system—featuring the 6K-315 motor with 600N.m of continuous torque—ensures stable movement across uneven terrain. The 126mm support wheels and rubber track layout distribute the machine’s weight effectively, preventing sinkage in softer yard environments while offering the traction needed for grade changes.

A key feature for site technicians is the equipment operation mode: manual hydraulic valve control. This design choice eliminates complex electronic sensors and circuit boards that are prone to failure in dusty, humid quarry environments. Instead, operators have direct, tactile control over the conveyor lifting and tracking functions. Coupled with the mechanical adjustment method for track tension, the HTJC325 is significantly easier to maintain in remote locations where specialized diagnostic tools are unavailable. The RATO gasoline power unit delivers 13KW at 3600 rpm, providing the necessary inertia for the crushing cycle while keeping fuel logistics simple with a standard 6.5L tank. This is a practical, hard-working primary crusher built to handle the daily demands of ore processing without unnecessary complexity.

ParameterSpecification
ModelHTJC325
ApplicationPrimary Crushing (Compressive strength ≤ 240 MPa)
Working Size (L x W x H)2800 x 930 x 1600 mm
Transport Size (L x W x H)1950 x 930 x 1640 mm
Total Outer Width930 mm
Inner Width of Vertical Board280 mm
Inlet Size150 x 250 mm
Maximum Feed Size150 mm
Storage Bin Volume0.15 m³
Production Capacity2 – 4 T/H
Gravel RangeDiameter 10 – 30 mm
Stacking Height670 – 1000 mm
Feeding Conveyor1400 x 300 mm
Belt Width300 mm
Conveyor Motor ModelBMER-300
Conveyor Lifting MethodManual Hydraulic Operation
Track Model180 x 72 x 37 mm (Rubber Track)
Support Wheel Diameter126 mm
Number of Support Wheels4 Groups
Walking Speed0 – 3 km/h
Walking Motor Model6K-315
Continuous Torque600 N.m
Operation ModeManual Hydraulic Valve
Walking MethodHydraulic Power Track Type
Hydraulic PumpPGP5108
Lubrication MethodGrease
Track Tension AdjustmentMechanical
Engine ModelRATO R500-V2-18HP (Gasoline)
Max Output Power13 KW / 3600 r/min
Max Output Torque28 N.m / 2500 r/min
Fuel Tank CapacityGasoline 6.5 L
Oil Volume1.0 L
Hydraulic Oil Tank20 L (32#/46# Hydraulic Oil)
Can this crusher handle iron ore, or is it limited to soft rock?
This unit is specifically designed as a primary crusher for materials with a compressive strength of up to 240 MPa. This range comfortably covers iron ore, bluestone (basalt), and hard limestone. While it is not designed for extremely abrasive ores requiring specialized metallurgy, it is more than capable of processing standard mining feed and construction aggregates efficiently.
What is the advantage of the manual hydraulic valve system in this model?
For sites in remote mining or quarry areas, the manual hydraulic valve system is a significant advantage. It removes the reliance on complex electronic joysticks, PLC controllers, and wiring harnesses that can fail due to dust and vibration. If a hydraulic issue occurs, it is typically a mechanical or seal failure that a local mechanic can diagnose and fix with basic tools, significantly reducing downtime compared to electronically controlled units.
How does the mechanical track tension adjustment work in practice?
Instead of using a hydraulic grease cylinder that requires a high-pressure grease gun to adjust, the mechanical system uses a threaded adjustment mechanism. This allows the operator to tighten or loosen the tracks using standard wrenches. It provides a more permanent and stable tension setting, which is highly preferred in abrasive environments because it doesn't lose pressure over time like hydraulic tensioners often do.
Is this machine suitable for a concrete mixing plant's material prep?
Absolutely. The HTJC325 is often used in small to medium concrete batching plants to crush larger limestone or construction waste down to a 10-30mm gravel. This directly feeds the batching hoppers, reducing the cost of purchasing pre-crushed aggregate. The 0.15m³ storage bin allows for quick loading via a mini-excavator, ensuring a steady feed flow to match the plant's production needs.

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